halogen lamp 500W for cooking 1) VOLT: 100, 110, 120, 220, 230, 240V,380V ... : 50-10,000W 3) HZ: 50-60 HZ halogen lamp 500W halogen lamp of feature 1.Versatility of heat source:Wide range ... :More than 85% of consumed energy transmitted into infrared halogen lamp 6.Fully dimmable:Fully controllable accurately(0% to 100%) 7 ... reflectors 10.Compact heater:Compact heat sources, narrow diameter of lamp